Martia orders 12yd of material to make banners. If she needs 1 foot of fabric for each banner, how many banners can she make?

Mathematics

1 answer:

SOVA2 [1]4 years ago

4 0

You can make 36 banners. there are 3 feet in 1 yard so if you multiply 12 and 3 you get 36

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A bag contains white marbles and yellow marbles, 54 in total. The number of white marbles is 6 less than 3 times the number of y

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Let x be white marbles, y be yellow marbles
x+y=54…(1)
x=3y - 6 …(2)

put (2) into (1)
(3y - 6) + y = 54
4y = 60
y=15

put y=15 into (1)

x + 15=54
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so y=15 x=39

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Answer:

Probability of stopping the machine when $X < 9$ is 0.0002

Probability of stopping the machine when $X < 10$ is 0.0013

Probability of stopping the machine when $X < 11$ is 0.0082

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Step-by-step explanation:

There is a random binomial variable $X$ that represents the number of units come off the line within product specifications in a review of $n$ Bernoulli-type trials with probability of success $0.91$ . Therefore, the model is ${15 \choose x} (0.91) ^ {x} (0.09) ^ {(15-x)}$ . So: